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Chapter2 Instructions for Installation Preparations 7

Liebert. PEX+Series Precision Air Conditioner User Manual

Figure 2-5 Removing side panels and top cover

2. Remove the base pallet

The unit is fixed onto the base pallet with M8×65 bolts or 8×90 screw, as shown in Figure 2-6. You can use a 17mm

open-end spanner, ratchet spanner or sleeve to remove the fixing bolts.

Bolt

）

（

M 8 × 65

Screw

（

8 ×90

）

P1020-P1025 unit P1030-P2100 unit

Figure 2-6 Fixing screw on the base pallet

2.4.3 Inspection

Check against the

Packing List

that the fittings are complete and the components are intact. If any parts are found

missing, or damaged, please report to the carrier immediately. If any hidden damages are found, please report to the

local offices of the carrier and Emerson.

1790 x 950 x 2020mm

1816 x 976 x 2175mm

III

Содержание Liebert PEX+ Series

Страница 1: ...son local sales office or service center Copyright 2015 by Emerson Network Power Co Ltd All rights reserved The contents in this document are subject to change without notice Emerson Network Power Co Ltd Address Block B2 Nanshan I Park No 1001 Xueyuan Road Nanshan District Shenzhen 518055 China Homepage www emersonnetworkpower com cn Customer service hotline 4008876510 E mail support emersonnetwor...

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Страница 3: ... 3 2 System Installation Arrangement 8 3 2 1 Overall System Arrangement 8 3 2 2 System Installation Illustration 9 3 3 Mechanical Parameters 9 3 3 1 Dimensions and weight of indoor unit 9 3 3 2 Dimensions and weight of condenser 10 3 3 3 Plenum dimensions for upflow unit 10 3 3 4 Positions and dimensions of air outlet 11 3 4 Installing Indoor Unit 13 3 4 1 Making base 13 3 4 2 Installing base 13 3...

Страница 4: ... Cables 24 4 4 Installation Inspection 24 Chapter 5 iCOM Controller 25 5 1 Appearance 25 5 2 Button And Indicator Panel 25 5 3 Structure Chart Of Control Menu 27 5 4 Startup Interface 27 5 5 Main Interface 27 5 6 USER MENUS 28 5 6 2 PASSWORD 28 5 6 3 SET POINTS 28 5 6 4 EVENT LOG 29 5 6 5 GRAPHICS 29 5 6 6 SET ALARMS 30 5 6 7 SENSOR DATA 31 5 6 8 DISPLAY SETUP 32 5 6 9 TOTAL RUN HRS 32 5 6 10 SLEE...

Страница 5: ...e Inspection Items Half A Year 65 7 3 Self diagnosis Function 66 7 4 Electrical Connection Inspection 66 7 5 Control Component Appearance Inspection 66 7 6 Air Cooled Condenser 67 7 7 Filter 67 7 8 Infrared Humidifier 68 7 9 Electric Heater 68 Chapter 8 Troubleshooting 69 8 1 Fan Troubleshooting 69 8 2 Compressor And Cooling System Troubleshooting 70 8 3 Infrared Humidifier Troubleshooting 72 8 4 ...

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Страница 7: ...ller operation system operation and maintenance and troubleshooting etc The system operation and maintenance trouble shooting and handling are only limited to user s independent maintenance For the maintenance and troubleshooting works not mentioned in this manual please contact Emerson professional engineer The commissioning and startup will be conducted by Emerson engineer so this part is not de...

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Страница 9: ... Low Voltage Option Digit7 System type 0 None A Air cooled H Reheat Humidity Lockout W Water cooled Digit19 Monitoring D Dual Cool Chilled water Air cooled 0 No Card H Dual Cool Chilled water Water cooled 7 IS UNITY Card Digit8 Fan C ICOM DO Card 1 EC plug fan U IS UNITY Card ICOM DO Card Digit9 Power Supply Digit20 Sensors 3 380 415V 3ph 50Hz N 0 None T 380 415V 3ph 60Hz N S Smoke Sensor Digit10 ...

Страница 10: ...e structure which is easy for teardown cleaning and maintenance Application of the infrared humidifier can reduce the dependence on water quality It also features fast startup short humidifying time large humidifying capacity and high humidifying efficiency Fan PEX series use EC fan which features high efficiency energy saving space saving and low noise EC fan unit uses elaborate structure design ...

Страница 11: ...ng capacity shall be identical with the one stage heater No heater Liebert PEX AC shall have the option without heating according to user requirements No humidifier Liebert PEX AC shall have the option without humidifying according to user requirements Plenum The upflow unit shall be configured with a plenum with its configuration listed in 3 3 3 Plenum dimensions for upflow unit For special plenu...

Страница 12: ... 5 of the total indoor airflow 2 2 Installation Space 2 2 1 Installation Space Requirements Adequate installation space for the indoor unit must be provided The indoor unit of air cooled product must be installed on the floor of equipment room or computer room and the condenser can be installed on the ground of outdoor or other room The entire water cooled precision AC shall be installed on floor ...

Страница 13: ...sed in the following condition please contact Emerson If the unit voltage exceeds the operating voltage range Derating for altitude above 1000m Other applications outside of applicable scopes 2 4 Unpacking And Inspection 2 4 1 Transportation And Movement Railroad transportation and shipping are the recommended means of transportation If truck transportation is unavoidable choose roads that are les...

Страница 14: ...llation site and then unpack it Follow the procedures below for unpacking 1 Remove the side panels and top cover Liebert PEX series air conditioner uses the international packaging You can use a hammer or straight screwdriver to straighten the connection hook that connects the side panels to the top cover as shown in Figure 2 4 Figure 2 4 Straightening the hook At first straighten all the hooks th...

Страница 15: ... spanner ratchet spanner or sleeve to remove the fixing bolts Bolt M 8 65 Screw 8 90 P1020 P1025 unit P1030 P2100 unit Figure 2 6 Fixing screw on the base pallet 2 4 3 Inspection Check against the Packing List that the fittings are complete and the components are intact If any parts are found missing or damaged please report to the carrier immediately If any hidden damages are found please report ...

Страница 16: ... be installed on the floor of the equipment room or computer room 3 The selection layout and fixing of the pipes shall comply with industrial standard 4 Pressure drop compressor oil return noise reduction and vibration shall be considered in design and installation 5 The unit shall be fixed by screws and mounting rails to avoid shaking during startup or operating processes 3 2 System Installation ...

Страница 17: ... of the back bend must be installed higher than the highest copper pipe of the condenser 3 3 Mechanical Parameters 3 3 1 Dimensions and weight of indoor unit The dimensions and weight of the indoor unit are shown in Figure 3 4 Figure 3 5 and Table 3 1 Drain pipe for condensed water gas pipe slope Thermal isolation layer under floor Floor Copper pipe bracket Liquid pipe avoid direct sun shine Oil t...

Страница 18: ... 1130 995 1975 400 P1035U D A13C 1130 995 1975 420 P1040U D A13C 1330 995 1975 460 P1040U D A13S 1330 995 1975 480 P1050U D A13C 1330 995 1975 530 P1050U D A13S 1330 995 1975 570 P2060U D A13S 1830 995 1975 690 P2070U D A13S 1830 995 1975 730 P2080U D A13S 2230 995 1975 770 P2090U D A13S 2230 995 1975 805 P2100U D A13S 2230 995 1975 810 3 3 2 Dimensions and weight of condenser Refer to condenser u...

Страница 19: ...ction 3 3 4 Positions and dimensions of air outlet Base pallet cut out location dimensions The cutout position and dimensions are shown in Figure 3 6 140 45 181 72 161 161 181 72 72 210 250 161 C R P C R 850 798 190 P1020 and P1025 unit cut out location 1130mm 1830mm unit cut out location 1330mm 2230mm unit cut out location P Cable inlet outlet D Drain pipe hole H Humidifier incoming water pipe ho...

Страница 20: ...ir outlet on top cover of upflow unit unit mm Model A B C P1020 P1025 720 795 800 P1030 P1035 650 900 700 P1040 P1050 850 900 900 P2060 P2070 650 900 1400 P2080 P2100 850 900 1800 Side panel knock out locations If piping and wiring from the base are difficult connection from side panel can be selected The locations and dimensions of knock out holes are shown in Figure 3 8 You should select the inl...

Страница 21: ...er than 160mm 3 4 2 Installing base Determine the installation position according to the requirements of 2 2 manual and fix the base onto the selected mounting position The base shall be fixed to the ground through expansion bolts or spot welding and the base shall be calibrated by horizontal ruler before it is fixed so as to ensure the leveling top surface of the base For downflow unit that requi...

Страница 22: ...es recommended are equivalent lengths with the resistance caused by bends taken into account See Table 3 5 for equivalent lengths of partial components and the installer should confirm that the sizes are appropriate for the site conditions Table 3 5 Equivalent lengths of partial components Outer Diameter OD of liquid pipe inch Equivalent length m 90 bend 45 bend T type three way 3 8 0 21 0 10 0 76...

Страница 23: ...e fitted to the water inlet pipe 2 Make sure that the connection of the water inlet pipe is well sealed to prevent leakage The infrared humidifier reserves a copper pipe OD 6 35mm as shown in Figure 3 10 There is a 1 4 copper nut at the end of the copper pipe and the 1 4 1 2 conversion copper thread connector has been connected to the copper nut to avoid losing them You can also select other conne...

Страница 24: ...wet cloth before welding to protect the label from burned during the welding operation 3 Connect the discharge pipe and liquid pipe of indoor unit according to the instructions on the label 4 Horizontal sections of the discharge pipe should be sloped downward from the compressor with a slope of at least 1 200 5mm down for each 1m run The discharge pipes should be insulated where they are routed in...

Страница 25: ...he unit is allowable So during installing the solenoid valve you do not need to cut the indoor unit pipes After the whole system is installed you can open the ball valve to keep pressure and carry out the vacuum operation avoiding the moisture absorption of the compressor refrigeration oil and ensuring the operation safety and life of the compressor For the installation position of the check valve...

Страница 26: ...off the cable tie binding the fan cables to make the cables length satisfy fan lowering requirements and then remove the fixing bolts see Figure 3 15 totally 4 pcs for fan transportation Figure 3 15 Position of fixing bolt 4 Hold the handle of the winch firmly and then turn the handle counter clockwise to lower the fan After the fan is sunk the status is shown in Figure 3 16 Figure 3 16 Lowered fa...

Страница 27: ...pact and resonation in transportation fasteners and vibration absorbers are mounted at certain locations before delivery Remove the fasteners and vibration absorbers before installation and commissioning Removing transportation fixing plate of compressor To reduce the compressor operation vibration and noise the vibration absorbing cushions are added to the compressor base However such method cann...

Страница 28: ...stallation fasteners have been fixed The pipes between the indoor unit and outdoor unit have been connected and the ball valves of the indoor unit and outdoor unit have been opened completely The condensate pump if needed has been installed The drain pipe has been connected The water supply pipe for the infrared humidifier has been connected All pipe joints have been made fixed The transportation ...

Страница 29: ... measure the power supply voltage and make sure that the power supply has been switched off 7 The applicable grid for this air conditioner TN TT star connection power system consult Emerson for other connections 8 A breaking device shall be provided to be disconnected from power supply 4 2 Wiring Of Indoor Unit 4 2 1 Locating Electrical Ports Of Indoor Unit The locations of the low voltage devices...

Страница 30: ...44 8 32 7 26 6 P1040U D A13C 43 2 56 8 43 2 56 8 35 6 29 5 P1040U D A13S 42 4 56 0 42 4 56 0 34 8 28 7 P1050U D A13C 48 0 61 6 48 0 61 8 40 4 34 3 P1050U D A13S 51 0 64 6 51 0 64 6 43 4 37 3 P2060U D A13S 61 0 74 7 61 0 74 7 58 8 47 4 P2070U D A13S 64 0 77 7 64 0 77 7 61 8 50 4 P2080U D A13S 77 2 95 4 77 2 95 4 70 4 59 0 P2090U D A13S 82 2 100 4 82 2 100 4 75 4 64 0 P2100U D A13S 87 2 105 4 87 2 1...

Страница 31: ...rm signals you should set the corresponding customized alarm through the iCOM controller When the contact is open and no external alarm is generated the input state of the customer terminal is open But when the contact is closed and the external alarm is generated the input state of the customer terminal will be shorted At this point the air conditioner system will generate an audible alarm and th...

Страница 32: ...0 71 of the indoor unit and the digital signals of dry contacts J6 on the condenser board corresponding to compressor 2 are connected with the control terminals 70A 71A of the indoor unit Wiring of a condenser with dual system used to match an indoor unit with dual system You should short the terminals 70 70A and 71 71A The digital signal of dry contact J6 on the board can be connected with the co...

Страница 33: ...including Indicators alarm indicator and operation indicator Buttons ON OFF button ENTER button ESC button up button DOWN button left button right button alarm silence button and help button The button and indicator panel is shown in Figure 5 2 If no button is pressed within a certain period of time settable default 5min the backlight will be off until the next time any button is pressed Figure 5 ...

Страница 34: ...roll a row or a screen down in the query state 3 Test the buzzer If the buzzer frequency is not 0 pressing the DOWN button when the system is in the test state will decrease the buzzing frequency Meanwhile the buzzer will sound at the set frequency This function is used to test whether the buzzer is normal Left button 1 Select the left bit during the parameter setting operation 2 Test the LCD cont...

Страница 35: ...re 5 4 displays the percentage output chart of the function components while the simple interface see Figure 5 5 displays the icons of current operation mode only The switching of two modes can be realized by operating the menu For details refer to 5 6 8 DISPLAY SETUP The upper left corner of the main interface displays the current unit number the upper right corner displays the current system sta...

Страница 36: ...eters Parameters Default Setting range Description U102 TEMP SET 23 0 C 5 0 40 0 C Air Temperature Set Point U102 TEMP ACT 5 0 40 0 C Actual Air Temperature Set Point U103 TEMPSENS Return Sensor 0 SUP 1 REM 2 RET Temperature Control Sensor U104 HUM SET 50 20 80 Humidity Set Point 12 0 C 5 0 30 0 C Dew Point Set Point U105 SUP SENS No No Lim Ctrl Cool Supply air type U106 HUM CTRL Predictive 0 Rel ...

Страница 37: ... a period of time in the past In the graphs the current temperature or humidity is the origin the time is the horizontal axis and the temperature or humidity is the vertical axis as shown in Figure 5 8 Figure 5 8 The graph of return temperature and return humidity As the horizontal axis the time range can be set into eight kinds Each pixel indicates different time in different time ranges See Tabl...

Страница 38: ...ensor Alarms U220 HI REM 32 3 C 1 0 99 0 C High Remote Temperature U220 LO REM 12 8 C 1 0 99 0 C Low Remote Temperature U224 HIREM 01 32 3 C 1 0 99 0 C High Remote Temperature 01 U224 LOREM 01 12 8 C 1 0 99 0 C Low Remote Temperature 01 U225 HIREM 02 32 3 C 1 0 99 0 C High Remote Temperature 02 U225 LOREM 02 12 8 C 1 0 99 0 C Low Remote Temperature 02 U226 HIREM 03 32 3 C 1 0 99 0 C High Remote Te...

Страница 39: ... S_A DP C Ext Air Sensor A Dew Point Temp U309 FC STATE Free cooling status U325 REM S 1 C Remote Sensor Temperature U310 DS1 TEMP C Temperature of digital scroll 1 U325 REM S 2 C Remote Sensor Temperature U310 DS2 TEMP C Temperature of digital scroll 2 U326 REM S 3 C Remote Sensor Temperature U313 Hi Te H hr Daily high temperature hour U326 REM S 4 C Remote Sensor Temperature U313 Hi Te M m Daily...

Страница 40: ...uency test switch It determines whether or not there will be sound accompanying the adjustment of BUZ FREQ through the setting U407 BACKLITE 5min 5min 10min 30min 1hr 12hr Backlight time or the backlight time when there is no button operation U408 SCREEN Graph Graph Simple SimCo GraCo Main interface display mode U409 SHOWS A S SET ACT A S Main interface display mode of set points and actual values...

Страница 41: ...ing hour and minute settings to designate an exact time U604 MON No U604 TUE No U604 WED No U604 THU No U604 FRI No U604 SAT No U604 SUN No U606 START 1 0hr Sleep mode start time 1 The first parameter is used to set the hour of time and the second one is used to set the minute of time U606 START 1 0m U606 STOP 1 0hr Sleep mode end time 1 The first parameter is used to set the hour of time and the ...

Страница 42: ...in PID control S106 TEMP INT 5 0min 0 0 15 0 min Temperature integration time set point or the I in PID control S107 TEMP DER 0 sec 0 900 sec Temp Derivative Time S108 AUTOSET Yes Yes No Autoset enable S109 TEMP DB 1 1 K 0 20 0 K Temperature Deadband S110 SUPSENS No No Yes Supply Sensor S110 SUPPLY LIMIT SET 5 0 C 5 0 27 0 C Supply Set point S111 HEAT DB 0K 0 20 0 K Heaters deadband setting range ...

Страница 43: ...0 K DT between Room Air FC Fluid S139 MIN CW No Yes No Minimum Chilled Water Temp Enable S140 MIN CW 7 C 0 0 20 0 C Minimum CW temperature value S141 LOCK FC 0 C 0 0 9 0 C Lockout FC at FC Fluid below S146 FAN SENS Return Sensor SUP REM RET MAN Fan Control Sensor S147 FAN SET 22 8 C 5 0 40 0 C Fan Speed Temperature Set Point S148 FCTL TYP PI PROP PI NU Fan Temperature Control Type S149 FTEMP PB 20...

Страница 44: ...otate once a week The rotation occurs on Monday Sunday of the week For example MON means rotation occurs on Monday of every week M MON M SUN rotate once a month The rotation occurs on Monday Sunday of the first week of the month For example M MON means rotation occurs on Monday of the first week of every month S504 ROT HOUR hr Used to set the hour of the detailed time while rotation S504 ROT MIN m...

Страница 45: ...ay worst S018 ALARMS 0 Number of alarms since the last maintenance S019 BONUS 0MM Bonus amount Actual bonus calculated through the number of starts and average run time This value determines the time for the next maintenance WELLNESS COMP1 Table 5 16 Descriptions of WELLNESS COMP1 parameters Parameters Default Description S024 STARTS Number of compressor 1 starts since the last maintenance S025 RU...

Страница 46: ...t Description S057 STARTS Number of electric heater 2 starts since the last maintenance S058 RUN HRS hr Electric heater 2 run hours since the last maintenance S059 AVG RUN min Average electric heater 2 run time calculated through the number of starts and run hours S060 BEST 24 Starts per day best S061 WORST 240 Starts per day worst S062 ALARMS 0 Number of high pressure alarms since the last mainte...

Страница 47: ...ter can be reset to 0 through the parameter S305 HT2 CNT 0 HT 2 alarm counting The counter can be reset to 0 through the parameter S306 LP1 CODE 0 LP 1 alarm counting The counter can be reset to 0 through the parameter S307 LP2 CODE 0 LP 2 alarm counting The counter can be reset to 0 through the parameter S308 LP1 ACT br Actual LP 1 S309 LP2 ACT br Actual LP 2 S310 HP1 ACT br Actual HP1 Pressure S...

Страница 48: ... S345 RSD On On Off Remote shut down Range On Off S346 AIR LOSS OK OK ACT Air loss alarm OK means the system is normal ACT means the air loss is active and abnormity occurred S347 MOTOR OL ACT OK ACT Fan motor overload alarm OK means the fan is normal ACT means the fan is overloaded and abnormality occurred S348 FILTER OK OK ACT Filter clogging situation OK means normal ACT means the filter is clo...

Страница 49: ...90 sec S204 LO TEMP C S218 HI DP A 16 7 C S205 HI HUM 60 S218 HI DP A 2 2 C S206 LOW HUM 40 S219 REM SNSR Disabled S207 SENSOR A No S219 DP A DEL 180 sec S207 SE A DEL 90 sec S220 HI REM 32 3 C S208 HI TEMP A C S220 LO REM 12 8 C S209 LO TEMP A C S222 EEV ALBD NC S210 HI HUM A S224 CUST IN1 WATER S211 LO HUM A S225 C1 ACT CLOSE S21A FLOCT 0 sec S226 CUST IN2 WATER S21B LOF THRH 10 S227 C2 ACT CLOS...

Страница 50: ...lter clogged S268 STB Standby unit on S239 HRT High room temp S269 HUP Humidifier problem S240 LRT Low room temp S270 NOC No connection w Unit1 S241 HRH High room hum S271 No connection w UnitX S242 LRH Low room hum S272 LOP LOSS OF POWER S243 HTA High temperature of sensor A S275 CI1 CUSTOMER INPUT 1 S244 LTA Low temperature of sensor A S276 CI2 CUSTOMER INPUT 2 S245 HHA High humidity of sensor A...

Страница 51: ... setting value 0 1K at each step S609 CAL DS2 Sum of the calibrated value and return air humidity measured by digital scroll 2NTC sensor This value is engaged in the calculation S610 OUT SNS 0 Outdoor Sensor S611 CAL OUT Calibrated Outdoor Sensor S613 TEMP A1T 0 0K Calibrated value of temperature sensor A1T S614 CAL A1T Calculated value corresponding to temperature sensor A1T S615 HUM A1H 0 0 Cali...

Страница 52: ...ter set through U2U GRP Change means that the parameter is changed but not saved Valid means that the setting is valid and saved S835 MON PROT Vlct4 No Vlct3 HN IGM n a Vlct4 Host monitoring protocol setting Range Vlcty Velocity uses intelligent card HN Hironet IGM ECA2 No S836 IP 1 192 Set IP address S836 IP 2 168 S836 IP 3 254 S836 IP 4 1 S837 NM 1 255 Set subnet mask S837 NM 2 255 S837 NM 3 255...

Страница 53: ...R REV 3P actuator direction S411 VPULS 5 0 10 Minimum Valve Pulse S413 HUM ENAB Yes Yes No Humidification enabled S414 IR FLUSH 150 Infrared flush rate S415 HUMSTEAM S416 HUM CONT On Off On Off Prop Humidifier control mode S417 HumFlush 5 s 5 30 sec Humidifier Bottle Flush Time S418 ManFlush Off Yes No Humidifier Bottle Manual Flush S419 DEHUM EN Yes Yes No Dehumidification enabled S419 DEH FAN Ye...

Страница 54: ...ve command Load load parameters to the unit code directly Compare compare the present parameters and the parameters to be loaded No All changes are cancelled Keep the old parameters A009 UC STAT OK Not available Invalid OK Changed Updating Unit code status Range Not available parameters set through UC01 UC18 are unavailable Invalid parameters set through UC01 UC18 are invalid OK parameters set thr...

Страница 55: ...roll cycle A114 DS HT F Digital scroll high temperature A115 DS SWB F Digital scroll switchback A116 LP TYPE Analog Analog Digital Low pressure device type A117 LP PH1 ps Low pressure threshold phase 1 A118 LP PH2 ps Low pressure threshold phase 2 A119 LC PRE 0 0s Liquid control pre time A120 LC POST 0 0s Liquid control post time A121 CHARGE P br Loss of Charge Protection A122 SUP CYC 1 sec 1 300 ...

Страница 56: ...EX12 21LLA 53LLC 53HLB 93LLE 93HLD d3H HT2 HT5 HT9 SGH No Humidifier model A147 HUM VOLT V A148 HUM LAST 15hr Detect whether the last operation time exceeds this cycle setting during the startup of the humidifier Unit hr A149 PREFILL 30s or 57s Prefill time Unit second A150 FILL 57s Fill time Unit second A151 HUM ON 584s Humidifier on time Unit second A152 DEH COMP 1 1 2 both Dehumidification with...

Страница 57: ...tart voltage A171 AO2 END 100 0 100 Analog output 2 end percentage A171 AO2 END 10V 0V 10V Analog output 2 end voltage A172 AO3 STA 0 0 100 Analog output 3 start percentage A172 AO3 STA 0V 0V 10V Analog output 3 start voltage A173 AO3 END 100 0 100 Analog output 3 end percentage A173 AO3 END 10V 0V 10V Analog output 3 end voltage A174 AO4 STA 0 0 100 Analog output 4 start percentage A174 AO4 STA 0...

Страница 58: ... OPEN PRESET A420 4ST CLOSE PRESET A424 MBV REINT A425 READ INTERVAL A426 DIG SCROLL FILTER A427 4ST 30SEC LOADING A428 PUMPDOWN PRESS A431 REPOSITION COUNTER MBV reposition counter A432 REPOSITION COUNTER RESET Reposition counter reset A436 U4 U4 proportional band A437 U3A U3A proportional band A438 U2A U2A proportional band A439 U1 U1 proportional band A440 L1 L1 proportional band A441 L2A L2A p...

Страница 59: ...temperature LOW ROOM TEMP Low room temperature HIGH ROOM HUM High room humidity LOW ROOM HUM Low room humidity HIGH TEMP SENSOR A High temperature of sensor A LOW TEMP SENSOR A Low temperature of sensor A HIGH HUM SENSOR A High humidity of sensor A LOW HUM SENSOR A Low humidity of sensor A UNIT HRS EXCEEDED Unit has exceeded operating time COMP 1 HRS EXCEEDED Compressor 1 has exceeded operating ti...

Страница 60: ...ompressor 1 freeze protection COMP 1 PUMPDOWN FAIL Compressor 1 pumpdown fails MEMORY 1 FAIL Memory 1 fail MEMORY 2 FAIL Memory 2 fail HCB not connected Humidifier contorl board not connected BMS Disconnected Battery management system disconnected COMP 2 PUMPDOWN FAIL Compressor 2 pumpdown fails DIG SCROLL1 HIGH TEMP Digital scroll 1 high temperature DIG SCROLL2 HIGH TEMP Digital scroll 2 high tem...

Страница 61: ... PUMP 1 Loss of flow pump 1 LOSS OF FLOW PUMP 2 Loss of flow pump 2 COMP 3 HIGH PRESSURE Compressor 3 high pressure COMP 4 HIGH PRESSURE Compressor 4 high pressure CONDENSATION DETECTED Condensation detected COMP 1 LOW PRESSURE Compressor 1 low pressure HIGH REF TEMPERATURE High refrigerant temperature LOW REF TEMPERATURE Low refrigerant temperature REFRIGERANT SENSOR FAIL Refrigerant sensor fail ...

Страница 62: ...pressor 1B has exceeded operating time limit COMP 2A HRS EXCEEDED Compressor 2A has exceeded operating time limit COMP 2B HRS EXCEEDED Compressor 2B has exceeded operating time limit COMP 1A SHORT CYCLE Compressor 1A short cycle COMP 1B SHORT CYCLE Compressor 1B short cycle COMP 2A SHORT CYCLE Compressor 2A short cycle COMP 2B SHORT CYCLE Compressor 2B short cycle HIGH SUPPLY TEMPERATURE High supp...

Страница 63: ...shown in Figure 6 1 This card can provide a network port and MIB library and you can browse the data through IE Console port Network port Figure 6 1 TCP IP communication card 2 485 communication card The 485 communication card is shown in Figure 6 2 This card can provide the Modbus protocol of the RS485 port to the host RS485 port Console port Figure 6 2 485 communication card 6 2 Installation Of ...

Страница 64: ...controller to set S824 MON ADD to 3 S835 MON PORT to Vlcty and S843 BL CTRL to S R 6 3 1 Setting HyperTerminal After the 485 communication card and TCP IP communication card are set they can communicate with the host monitoring system Use the communication cable provided with the communication card to connect the serial port of the computer and the console port of the communication card and then s...

Страница 65: ...d click OK as shown in Figure 6 7 Figure 6 7 Setting port property 4 Set the communication parameters as shown in Figure 6 7 and click OK 6 3 2 Setting 485 Communication Card Set the parameters of the 485 communication card according to the following procedures 1 After the HyperTerminal is set you can click OK to display the following HyperTerminal interface 2 Type 1 and the following figure will ...

Страница 66: ...owing figure will appear 5 Type 3 and select the ID used to communicate between the communication card and the host and the following figure will appear 6 Type the server ID following the command prompt and the following figure will appear 7 Type 4 and the following figure will appear 8 Type 1 2 or 3 to select the baud rate used to communicate with the host and the following figure will appear ...

Страница 67: ... typing 4 can view whether the communication status between the communication card and the Liebert PEX series air conditioner is normal as shown in the following figure 6 3 3 Setting TCP IP Communication Card Set the parameters of the TCP IP communication card according to the following procedures 1 After the HyperTerminal is set you can click OK to display the following HyperTerminal interface 2 ...

Страница 68: ...ved the TCP IP communication card will be restarted 5 On the main interface typing 5 can view whether the communication status between the communication card and the Liebert PEX series air conditioner is normal as shown in the following figure 6 3 4 Setting SNMP Parameters Of TCP IP Communication Card After the HyperTerminal of the TCP IP communication card is set you can set the parameters of thi...

Страница 69: ... Figure 6 10 Video Contro Config Reboo Came Came Contro Video Video con Video Contro Config Reboo Came Came Video Controllab Controllab Camera s Camera s Configure Reboot bu IMU6100 IMU6100 V ideo co C ontrolla C onfigu R eboot C am era C am era C ontrolla V ideo w IM U6 1 0 0 V id e o c o n tro l V id e o c C o n tro ll C o n fig u R e b o o t C a m e ra C a m e ra V id e o w C o n tro lla b le s...

Страница 70: ...word are case sensitive Figure 6 11 Typing user name and password 4 Configure the Network Management System NMS of the host monitoring center in Figure 6 12 Click Edit and type the IP address of the NMS in IP Address Select read or write type Public in Community and then click Save Note Before setting the NMS the Edit button is displayed on the interface After the configuration is edited the Edit ...

Страница 71: ...hown in Figure 6 13 and click Traps to set IP Address Port and Community of the NMS used for receiving Traps After modifying you must click Save to save the setting Figure 6 13 NMS configuration interface of SNMP host monitoring center 2 6 4 Host Communication Networking Diagram The networking diagram of the TCP IP communication card SNMP protocol is shown in Figure 6 14 The connection number of a...

Страница 72: ...its can be connected Figure 6 15 Networking diagram of 485 communication card HUB Air conditioner 1 TCP IP communication card Air conditioner 2 TCP IP communication card Air conditioner n TCP IP communication card Network cable connection Monitoring center Network cable connection Network cable connection Network cable connection Air conditioner 1 485 communication card 485 connection 485 connecti...

Страница 73: ...an the filter Fan Check if fan blades are distorted Compressor No leakage Check for noise and observe vibration condition Air cooled condenser Cleanliness of condenser fins Fan base is rigid Check if vibration absorbing cushion is aging or damaged Check if SPD board if any is working and check once a week in thunderstorm seasons Refrigerant pipes have suitable support Cooling system Check refriger...

Страница 74: ...eir functionality 7 4 Electrical Connection Inspection The inspection items include 1 Conduct overall electrical insulation test find out the unqualified contacts and handle them Note to disconnect the fuses or MCBs of the control part during the test lest the high voltage should damage the control components 2 Check the contactors before power on and make sure the contactors can act freely withou...

Страница 75: ...sh control logic of water pan of the infrared humidifier according to control logic 11 Simulate and check the operation of the protection devices including high and low pressure alarm high and low temperature alarm high water level alarm and over temperature protection 12 Check the water detection sensor Bridge the water detection sensor probes and confirm the alarm through the controller The sens...

Страница 76: ...s at the two ends of the pan and pull out the water pan Cleanse the water pan with water and hard brush 5 Restore the water pan by reversing the preceding procedures warning Before exercising the corresponding operation make sure that the power has been cut off and also ensure that the water in the water pan is close to the room temperature before draining the water from the infrared humidifier wa...

Страница 77: ...ere is not and the green LED beside Q5 is not on please check further whether LED DS4 beside F4 on the fuse panel is on or take down F4 to test whether it is burnt out Air flow loss switch alarm action 1 Check that the belt is firm and the fan motor is normal 2 Check whether the external static pressure ESP is too high if so fix it by optimizing the air channel and adjusting the belt setting value...

Страница 78: ...the high voltage switch Contactor failure Check the contactor and check whether the 24Vac voltage is between E1 and P32 10 compressor 1 and P32 12 compressor 2 terminals Contactor closed but compressor cannot start Circuit breaker disconnected Check the circuit breaker and the contactor and measure the circuit voltage Compressor internal circuit breaker open Check the compressor coils If the coils...

Страница 79: ...Regulate by strictly following the adjusting procedures of the thermal expansion valve Defective element of the thermal expansion valve faulty Replace the thermal expansion valve Improper air flow distribution Check the air supply and return system Low condensing pressure Check the condenser Belt slipped Check the belt and make necessary adjustment or replacement The single source cooling unit con...

Страница 80: ...ult in the larger temperature change in equipment room Note The refrigerant requirement is the precondition for judging the potential causes listed in this Table 8 3 Infrared Humidifier Troubleshooting The troubleshooting of infrared humidifier is listed in Table8 3 Table 8 3 Troubleshooting of infrared humidifier Symptom Potential causes Items to be examined or handled Humidiifcation ineffective ...

Страница 81: ...that the automatic reset switch is damaged To judge whether the electric heater is damaged you can use an Ohm meter to check the resistance status of the electric heater Air flow lose switch failure Check that the air flow lose switch connection is correct Examine whether there is24Vac voltage between P36 7 and E1 after startup if there is not you should check whether the air flow lose switch is d...

Страница 82: ......

Страница 83: ...ER H HUMIDIFIER CONTACTOR HMV HUMIDIFIER MAKE UP VALVE HS3 MANUAL RESET HUMIDIFIER SAFETY UNDER PAN HWA HIGH WATER ALARM ELECTRIC REHEAT 1 BR BACKUP REHEAT RELAY RH1 REHEAT STAGE 1 CONTACTOR RS1 2 3 REHEAT 1 SAFETY STATS DITITAL SCROLL DSV1 DIGITAL SCROLL SOLENOID VALVE 1 DSV2 DIGITAL SCROLL SOLENOID VALVE 2 CHILLED WATER ACT1CWCV ACTUATOR 1 CHILLED WATER CONTROL VALVE ACT2CWCV ACTUATOR 2 CHILLED ...

Страница 84: ......

Страница 85: ...AMB TEMP U309 FC STATE U310 DS TEMP U313 Hi Te H U313 Hi Te M U313 Hi Te S U313 Hi Temp U314 Lo Te H U314 Lo Te M U314 Lo Te S U314 Lo Temp U315 Hi Hu H U315 Hi Hu M U315 Hi Hu S U315 Hi Humi U316 Lo Hu H U316 Lo Hu M U316 Lo Hu S U316 Lo Humi U305 AMB TEMP U401 LANGUAG U402 YEAR U402 MONTH U402 DAY U403 HOUR U403 MINUTE U403 SECOND U404 TEMP F C U405 CONTRAST U406 BUZ FREQ U406 BUZ TEST U407 BACK...

Страница 86: ......

Страница 87: ... NW CTRL S831 CS STAT S836 S837 NM 2 S837 NM 3 S837 NM 4 S838 GW 1 S837 NM 1 S836 IP 4 IP 3 S838 GW 4 S840 U2U PROT S841 U2U ADD S842 U2U GRP S838 GW 3 S838 GW 2 S843 BL CTRL S844 SR STAT S844 SR CTRL S843 BL STAT S425 FC FLUSH S426 HW FLUSH S427 BALL OFF S039 WORST S040 HP AL S042 OL AL S043 DS HT AL S044 BONUS S046 STARTS S047 RUN HRS S048 AVG RUN S041 LP AL S122 S135 AMB TYPE S136 AMB DT S137 F...

Страница 88: ......

Страница 89: ...High TEMP1 lock Discharge High TEMP2 lock Discharge Low TEMP1 lock Discharge Low TEMP2 lock Loss of power Over Volt Low Volt Freq error Phase loss Phase reverse Remote shutdown High TEMP of Air Supply Fan overload Air loss Water Loss A Water Loss B Coil1 frost lock Coil2 frost lock Clogged filter IR HUM error HUM high water Air Pressure Sensor Error TEMP HUM Detector Error Smoke detected Heater Fa...

Страница 90: ...entually eliminate the harzardous substances in the products through unremitting efforts in research However limited by the current technical level the following parts still contain harzardous substances due to the lack of reliable substitute or mature solution 1 The reason that the above parts contain plumbum copper alloy high temperature solders in the products and diode glass part of resistor e...

Страница 91: ... rigid Check if vibration absorbing cushion is aging or damaged Check if SPD board if any is working and check once a week in thunderstorm seasons Refrigerant pipes have suitable support Cooling system Check refrigerant pipes Check the moisture condition in system through sight glass Check HGBP valve if HGBO system is equipped Check thermal expansion valve Check water inlet outlet temperature for ...

Страница 92: ...g and check once a week in thunderstorm seasons Refrigerant pipes have suitable support Check and fix connectors Water cooled condenser Clean pipe system Check the function of ball valve Check if the water system leaks Cooling system Check the refrigerant pipes that must have support bracket and should not be closed to wall floor or fixed frames with vibrations Check the moisture condition in syst...

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